以下为句子列表：
英文: This equipments including: Four belt conveyer was driven by speed stepless motor on each line, being moved by electricity element control up and down, can be worked on the demand of given photo-cell and be controlled the tiles alignment.
中文: 本设备包括：每线各4条横向输送带由无级变速电机带动，由电动元件控制升降，可按工作需要由光电元件控制坯体的排列。
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